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Antibiotic use affects pork consumption

Antibiotic use affects pork consumption

Editor’s note: The following was written by Bindu Paudel and Deepthi Kolady with Heather Gessner, South Dakota State University Extension livestock business management field specialist, for the university’s website.

The United States is the second- largest consumer of antibiotics in animal agriculture.

The Food and Drug Administration restricted the use of all medically important antibiotics for growth promotion in food-producing animals in the United States. Concerns about antibiotic resistance development and its impact on human and animal health and the overall economy were the reasons behind the restrictions.

Further, antibiotics used for disease prevention are now under veterinarians' control through the Veterinary Feed Directive (VFD).

A complete ban on antibiotic use in animal agriculture would increase the costs of livestock production and demand changes in production environments and practices. Studies have highlighted the challenges of raising hogs completely antibiotic-free under a significant disease challenge, such as porcine reproductive and respiratory syndrome virus (PRRSV), and argued for responsible use of antibiotics instead of completely antibiotic-free production systems.

Given this, livestock producers have the opportunity to differentiate between the use of antibiotics for disease treatment and prevention purposes. However, livestock producers' decisions on antibiotic use in animal agriculture depends on consumer demand.

Thus, we questioned if consumers prefer meat produced with the minimal use of antibiotics compared to meat produced with standard antibiotic use and how this would compare to meat produced without antibiotics.

We conducted an online national survey of 660 U.S. consumers in June 2019 to elicit their preferences for pork attributes and examine their willingness to pay for pork chops from pigs raised without antibiotics and minimal antibiotic use for disease treatment.

Since the study also sought to examine the influence of information on the level of antibiotic use, we used a split survey design and randomly assigned survey respondents to an information or control treatment. In the information treatment, respondents received information on the non-therapeutic use of antibiotics in pork production, current knowledge of its effect on antibiotic resistance development, and the VFD.

Respondents in the control treatment of the survey received no such information.

In addition to each respondent's demographic information, we collected meat purchasing behavior, meat consumption pattern, preferences for meat attributes, familiarity with antibiotics use in pork production, and lifestyle attributes.

The average meat consumption per individual per week in the sample was 5.35 pounds, of which chicken accounts for 43%, beef 35% and pork 22%.

The survey also revealed that 19% of the sample were very familiar with using antibiotics in livestock production, 51% somewhat familiar and 30% not at all familiar.

Thus, a relatively high number of individuals are familiar with antibiotic use in livestock production.

We employed a discrete choice experiment that simulates real-life purchasing situations to estimate consumers' willingness to pay for various pork attributes.

Antibiotic use attributes in the choice experiment represent pork options post-VFD: antibiotic-free (without any antibiotic use), minimal antibiotic use (antibiotic use for disease treatment purpose), conventional antibiotic use (antibiotics for prophylactic purposes), and no information on antibiotic use level.

Consumers in the control and information treatment were willing to pay, on average, 68 cents/pound and 53 cents/pound more, respectively, for pork labeled as conventional use of antibiotics (prophylactic purpose), compared to the no-information option, and $1.05/lb and $1.32/lb more, respectively, for pork chop labeled as minimal use of antibiotics (therapeutic purpose), compared to the no-information option, and $3.05/lb and $3.47/lb, more, respectively, for pork chop labeled as antibiotic-free, compared to the no-information option.

The study shows that U.S. consumers are willing to pay a premium for pork chops produced without antibiotics and with minimal antibiotic use for treatment purposes. The study's findings suggest a potential for product differentiation for a pork chop based on antibiotic use level in production.

The study results imply that the provision of information on the non-therapeutic use of antibiotics in pork production and its relation to antibiotic resistance development has a positive effect on consumer willingness to pay for meat products with reduced use of antibiotics. The study provides helpful insights for livestock producers to develop production practices and marketing strategies that reduce antibiotic use in animal agriculture without negatively impacting their net incomes.

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